-72.51% is the change from 684 to 188
Calculation steps:
[( 188 - 684 ) ÷ 684] x 100 = -72.51%
Formula
Percentage change = [(188 - 684) / 684] x 100
Subtract the new number by the original number
188 - 684 = -496
-496 ÷ 684 = -0.7251461988304093
-0.7251461988304093 x 100 = -72.51%